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1
19
20 package org.netbeans.modules.apisupport.project.ui;
21
22 import java.awt.Image  ;
23 import java.util.HashSet ;
24 import java.util.Iterator ;
25 import java.util.Set ;
26 import org.openide.ErrorManager;
27 import org.openide.filesystems.FileObject;
28 import org.openide.filesystems.FileStateInvalidException;
29 import org.openide.filesystems.FileStatusEvent;
30 import org.openide.filesystems.FileStatusListener;
31 import org.openide.filesystems.FileSystem;
32 import org.openide.filesystems.FileUtil;
33 import org.openide.nodes.AbstractNode;
34 import org.openide.nodes.Children;
35 import org.openide.util.Lookup;
36 import org.openide.util.RequestProcessor;
37
38 class AnnotatedNode extends AbstractNode implements Runnable , FileStatusListener {
39
40 private Set files;
41 private Set fileSystemListeners;
42 private RequestProcessor.Task task;
43 private volatile boolean iconChange;
44 private volatile boolean nameChange;
45 private boolean forceAnnotation;
46
47 protected AnnotatedNode(Children children) {
48 super(children, null);
49 }
50
51 protected AnnotatedNode(Children children, Lookup lookup) {
52 super(children, lookup);
53 }
54
55 protected final void setFiles(final Set files) {
56 fileSystemListeners = new HashSet ();
57 this.files = files;
58 if (files == null) {
59 return;
60 }
61 Iterator it = files.iterator();
62 Set hookedFileSystems = new HashSet ();
63 while (it.hasNext()) {
64 FileObject fo = (FileObject) it.next();
65 try {
66 FileSystem fs = fo.getFileSystem();
67 if (hookedFileSystems.contains(fs)) {
68 continue;
69 }
70 hookedFileSystems.add(fs);
71 FileStatusListener fsl = FileUtil.weakFileStatusListener(this, fs);
72 fs.addFileStatusListener(fsl);
73 fileSystemListeners.add(fsl);
74 } catch (FileStateInvalidException e) {
75 ErrorManager err = ErrorManager.getDefault();
76 err.annotate(e, "Cannot get " + fo + " filesystem, ignoring..."); err.notify(ErrorManager.INFORMATIONAL, e);
78 }
79 }
80 }
81
82 protected final Set <FileObject> getFiles() {
83 return files;
84 }
85
86 protected void setForceAnnotation(boolean forceAnnotation) {
87 this.forceAnnotation = forceAnnotation;
88 }
89
90 protected final Image annotateIcon(final Image img, final int type) {
91 Image annotatedImg = img;
92 if (files != null && files.iterator().hasNext()) {
93 try {
94 FileObject fo = (FileObject) files.iterator().next();
95 annotatedImg = fo.getFileSystem().getStatus().annotateIcon(img, type, files);
96 } catch (FileStateInvalidException e) {
97 ErrorManager.getDefault().notify(ErrorManager.INFORMATIONAL, e);
98 }
99 }
100 return annotatedImg;
101 }
102
103 protected final String annotateName(final String name) {
104 String annotatedName = name;
105 if (files != null && files.iterator().hasNext()) {
106 try {
107 FileObject fo = (FileObject) files.iterator().next();
108 annotatedName = fo.getFileSystem().getStatus().annotateName(name, files);
109 } catch (FileStateInvalidException e) {
110 ErrorManager.getDefault().notify(ErrorManager.INFORMATIONAL, e);
111 }
112 }
113 return annotatedName;
114 }
115
116 public final void annotationChanged(FileStatusEvent event) {
117 if (task == null) {
118 task = RequestProcessor.getDefault().create(this);
119 }
120
121 boolean changed = false;
122 if (forceAnnotation || ((iconChange == false && event.isIconChange()) || (nameChange == false && event.isNameChange()))) {
123 Iterator it = files.iterator();
124 while (it.hasNext()) {
125 FileObject fo = (FileObject) it.next();
126 if (event.hasChanged(fo)) {
127 iconChange |= event.isIconChange();
128 nameChange |= event.isNameChange();
129 changed = true;
130 }
131 }
132 }
133
134 if (changed) {
135 task.schedule(50); }
137 }
138
139 public final void run() {
140 if (forceAnnotation || iconChange) {
141 fireIconChange();
142 fireOpenedIconChange();
143 iconChange = false;
144 }
145 if (forceAnnotation || nameChange) {
146 fireDisplayNameChange(null, null);
147 nameChange = false;
148 }
149 }
150
151 }
152 |
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